1. They have owned this house since 1992.
2. She has borrowed three books a week from the library since March.
3. We haven't played tennis for many years.
4. I have saved some money every payday for three months.
5. You have visited your uncle every week-end since last March.
6. I haven't cleaned my shoes for three days.
7. He hasn't studied English for many years.
8. It has rained every Monday since the beginning of May.
9. She has played tennis twice a week for six months.
10. He has borrowed three of my books since last Saturday.